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Study on Hydrogen Storage Properties, Anti-Oxide Ability and Rate Limiting Step of ZrCr-Based Alloy after Introducing Cobalt as Additive

Dongfang Huang1,4, Peng Lv1,2,3,4,*, Changlin Zhong1,2, Xingsheng Zhou1,2, Zhichen Liu4

1 Jiangxi Key Laboratory for Mass Spectrometry and Instrumentation, East China University of Technology, Nanchang, 330013, China
2 Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices, East China University of Technology, Nanchang, 330013, China
3 Engineering Research Center of Nuclear Technology Application (East China University of Technology), Ministry of Education, Nanchang, 330013, China
4 School of Innovation and Entrepreneurship Education, East China University of Technology, Nanchang, 330013, China

* Corresponding Author: Peng Lv. Email: email

(This article belongs to this Special Issue: Advanced Renewable Energy Storage Materials and Their Composite: Preparation, Characterization and Applications)

Journal of Renewable Materials 2023, 11(3), 1383-1400. https://doi.org/10.32604/jrm.2022.023261

Abstract

In this work, the microstructure, hydrogen storage properties, anti-oxide ability and rate limiting step of Zr(Cr1−xCox)2 (x = 0, 0.2, 0.4 and 0.6) alloys have been investigated. After studying the crystal structure, we found that all alloy samples could show C14-type phase but the alloy sample x = 0 could also show a small amount of Cr phase. Rietveld fitting showed that lattice parameter and unit cell volume of C14-type phase decreased with increasing x. After further research, it was clear that the first hydrogen absorption capacity decreased with increasing x. But introducing more Co content had a positive influence on the effective hydrogen storage capacity and cyclic hydrogen absorption and desorption properties of the alloy sample. We also found that adding Co to ZrCr2 alloy could improve its anti-oxide ability. In addition to this, the rate limiting step model was also studied.

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Cite This Article

Huang, D., Lv, P., Zhong, C., Zhou, X., Liu, Z. (2023). Study on Hydrogen Storage Properties, Anti-Oxide Ability and Rate Limiting Step of ZrCr-Based Alloy after Introducing Cobalt as Additive. Journal of Renewable Materials, 11(3), 1383–1400.



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